Consider the following Binomial Experiment: 290 people have been exposed to the flu. If the probability that a person contracting the flu on exposure is 0.43, find the variance of these 290 people contracting the flu.

Which table represents points on the graph of h(x) = 3√-x+2?

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?